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JEE MAIN 2022
25-06-2022 S1
Question
A teacher in his physics laboratory allotted an experiment to determine the resistance (G) of a galvanometer. Students took the observations for $\frac{1}{3}$ deflection in the galvanometer. Which of the below is true for measuring value of G?
Select the correct option:
A
$\frac{1}{3}$ deflection method cannot be used for determining the resistance of the galvanometer.
B
$\frac{1}{3}$ deflection method can be used and in this case the G equals to twice the value of shunt resistance(s).
C
$\frac{1}{3}$ deflection method can be used and in this case, the G equals to three times the value of shunt resistance(s)
D
$\frac{1}{3}$ deflection method can be used and in this case the G value equals to the shunt resistance(s).
✓ Correct! Well done.
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